215762883

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1223}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 340918272

約数和(自身を除く): 125155389

約数列:

[1, 3, 7, 21, 31, 93, 217, 271, 651, 813, 1223, 1897, 3669, 5691, 8401, 8561, 25203, 25683, 37913, 58807, 113739, 176421, 265391, 331433, 796173, 994299, 2320031, 6960093, 10274423, 30823269, 71920961, 215762883]

約数ペア:

[(1, 215762883), (3, 71920961), (7, 30823269), (21, 10274423), (31, 6960093), (93, 2320031), (217, 994299), (271, 796173), (651, 331433), (813, 265391), (1223, 176421), (1897, 113739), (3669, 58807), (5691, 37913), (8401, 25683), (8561, 25203)]